162561011466318 has 16 divisors (see below), whose sum is σ = 326160751444176. Its totient is φ = 54013882403520.

The previous prime is 162561011466299. The next prime is 162561011466397. The reversal of 162561011466318 is 813664110165261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43280352613 + ... + 43280356368.

It is an arithmetic number, because the mean of its divisors is an integer number (20385046965261).

Almost surely, 2^{162561011466318} is an apocalyptic number.

162561011466318 is an abundant number, since it is smaller than the sum of its proper divisors (163599739977858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162561011466318 is a wasteful number, since it uses less digits than its factorization.

162561011466318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86560709299.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 162561011466318 in words is "one hundred sixty-two trillion, five hundred sixty-one billion, eleven million, four hundred sixty-six thousand, three hundred eighteen".